Old chemicals are back in battle against weeds
As industry standard Roundup falters, concerns emerge about herbicides from decades past.
http://www.stltoday.com/business/local/article_0d67a8bb-57b0-585b-9acb-9d924165255e.html
As industry standard Roundup falters, concerns emerge about herbicides from decades past.
http://www.stltoday.com/business/local/article_0d67a8bb-57b0-585b-9acb-9d924165255e.html
"As farmers wage war on a worsening weed problem, they are being forced to enlist the aid of chemicals they once virtually abandoned.
Since 1996, Monsanto's Roundup weed-killing system has become the dominant approach in agriculture, changing the way American farmers grow commodity crops. In the past several years, though, American farmers have increasingly reported that glyphosate, the key ingredient in Roundup, isn't killing weeds. So once-popular chemicals such as "2, 4-D" and "dicamba" again have been called to duty."
